package com.itbbj.principle.d5_ISP.demo1;

/**
 * Created with IntelliJ IDEA.
 *
 * @Author: jack_yang
 * @Date: 2024/5/6
 * @Description: addition and subtraction
 */
public class OldPhone implements PhoneFunction{
    @Override
    public void call() {
        System.out.println("老年机实现打电话");
    }
    @Override
    public void message() {
        System.out.println("老年机实现发短信");
    }
    @Override
    public void camera() {
        System.out.println("老年机实现拍照");
    }
}
